Capitalizations Index – B ∞/21M
bitcoin’s fixed 21 million supply cap is central to its design, limiting inflation and mimicking scarce resources like gold. This hard limit shapes its value, security, and long‑term economic role.
bitcoin’s protocol caps supply at 21 million coins. New bitcoins are released through mining and halvings; about 19.3 million exist today, with the final units to be mined around 2140.
bitcoin differs from traditional money by being decentralized (no central authority), borderless (global, permissionless transfers), and finite (21 million cap), reshaping value transfer and monetary policy.